Golang Volume.Name方法代码示例

// volumeToAPIType converts a volume.Volume to the type used by the remote API
func volumeToAPIType(v volume.Volume) *types.Volume {
	return &types.Volume{
		Name:       v.Name(),
		Driver:     v.DriverName(),
		Mountpoint: v.Path(),
	}
}

// CopyImagePathContent copies files in destination to the volume.
func (container *Container) CopyImagePathContent(v volume.Volume, destination string) error {
	rootfs, err := symlink.FollowSymlinkInScope(filepath.Join(container.BaseFS, destination), container.BaseFS)
	if err != nil {
		return err
	}

	if _, err = ioutil.ReadDir(rootfs); err != nil {
		if os.IsNotExist(err) {
			return nil
		}
		return err
	}

	id := stringid.GenerateNonCryptoID()
	path, err := v.Mount(id)
	if err != nil {
		return err
	}

	defer func() {
		if err := v.Unmount(id); err != nil {
			logrus.Warnf("error while unmounting volume %s: %v", v.Name(), err)
		}
	}()
	return copyExistingContents(rootfs, path)
}

// Count returns the usage count of the passed in volume
func (s *volumeStore) Count(v volume.Volume) int {
	vc, exists := s.vols[v.Name()]
	if !exists {
		return 0
	}
	return vc.count
}

// Remove deletes a volume.
func (d *FakeDriver) Remove(v volume.Volume) error {
	if _, exists := d.vols[v.Name()]; !exists {
		return fmt.Errorf("no such volume")
	}
	delete(d.vols, v.Name())
	return nil
}

// volumeExists returns if the volume is still present in the driver.
// An error is returned if there was an issue communicating with the driver.
func volumeExists(v volume.Volume) (bool, error) {
	exists, err := lookupVolume(v.DriverName(), v.Name())
	if err != nil {
		return false, err
	}
	return exists != nil, nil
}

// Remove removes the requested volume. A volume is not removed if the usage count is > 0
func (s *VolumeStore) Remove(v volume.Volume) error {
	name := normaliseVolumeName(v.Name())
	s.locks.Lock(name)
	defer s.locks.Unlock(name)

	logrus.Debugf("Removing volume reference: driver %s, name %s", v.DriverName(), name)
	vc, exists := s.get(name)
	if !exists {
		return ErrNoSuchVolume
	}

	if vc.count > 0 {
		return ErrVolumeInUse
	}

	vd, err := volumedrivers.GetDriver(vc.DriverName())
	if err != nil {
		return err
	}
	if err := vd.Remove(vc.Volume); err != nil {
		return err
	}

	s.remove(name)
	return nil
}

// Refs gets the current list of refs for the given volume
func (s *VolumeStore) Refs(v volume.Volume) []string {
	name := v.Name()

	s.locks.Lock(name)
	defer s.locks.Unlock(name)

	return s.getRefs(name)
}

// Count returns the usage count of the passed in volume
func (s *VolumeStore) Count(v volume.Volume) uint {
	s.mu.Lock()
	defer s.mu.Unlock()
	vc, exists := s.vols[normaliseVolumeName(v.Name())]
	if !exists {
		return 0
	}
	return vc.count
}

// Count returns the usage count of the passed in volume
func (s *volumeStore) Count(v volume.Volume) int {
	s.mu.Lock()
	defer s.mu.Unlock()
	vc, exists := s.vols[v.Name()]
	if !exists {
		return 0
	}
	return vc.count
}

// AddMountPointWithVolume adds a new mount point configured with a volume to the container.
func (container *Container) AddMountPointWithVolume(destination string, vol volume.Volume, rw bool) {
	container.MountPoints[destination] = &volume.MountPoint{
		Name:        vol.Name(),
		Driver:      vol.DriverName(),
		Destination: destination,
		RW:          rw,
		Volume:      vol,
		CopyData:    volume.DefaultCopyMode,
	}
}

// Decrement decrements the usage count of the passed in volume by 1
func (s *volumeStore) Decrement(v volume.Volume) {
	s.mu.Lock()
	defer s.mu.Unlock()

	vc, exists := s.vols[v.Name()]
	if !exists {
		return
	}
	vc.count--
	return
}

// Count returns the usage count of the passed in volume
func (s *VolumeStore) Count(v volume.Volume) uint {
	name := normaliseVolumeName(v.Name())
	s.locks.Lock(name)
	defer s.locks.Unlock(name)

	vc, exists := s.get(name)
	if !exists {
		return 0
	}
	return vc.count
}

// volumeToAPIType converts a volume.Volume to the type used by the remote API
func volumeToAPIType(v volume.Volume) *types.Volume {
	tv := &types.Volume{
		Name:   v.Name(),
		Driver: v.DriverName(),
	}
	if v, ok := v.(interface {
		Labels() map[string]string
	}); ok {
		tv.Labels = v.Labels()
	}
	return tv
}

// Increment increments the usage count of the passed in volume by 1
func (s *volumeStore) Increment(v volume.Volume) {
	s.mu.Lock()
	defer s.mu.Unlock()

	vc, exists := s.vols[v.Name()]
	if !exists {
		s.vols[v.Name()] = &volumeCounter{v, 1}
		return
	}
	vc.count++
	return
}

// Decrement decrements the usage count of the passed in volume by 1
func (s *volumeStore) Decrement(v volume.Volume) {
	s.mu.Lock()
	defer s.mu.Unlock()
	logrus.Debugf("Decrementing volume reference: driver %s, name %s", v.DriverName(), v.Name())

	vc, exists := s.vols[v.Name()]
	if !exists {
		return
	}
	vc.count--
	return
}